Cobb 04-05 STI Subaru Stage 2 Power Package - cobb613X12 Exhaust Peak power of 12 hp

Peak power of 12 hp and 26 tq at the crank

temperatures and more while you drive

At lower engine speeds and during cruise operation the valves are closed and produce a deeper exhaust note

Full 3” diameter system on Cat-back

Cobb 04-05 STI Subaru Stage 2 Power Package - cobb613X12 Exhaust Peak power of 12 hpThe COBB Stage 2 Power Package is such a simple bolt on and tuning solution for your 04 07 STi! You get the Accessport tuning convenience, a big increase in power and torque from a free flowing turbo back exhaust, and a Stage 2 tune! Listen to the intoxicating rumble of the Subaru boxer engine as it emits through our beautiful 3" Stainless Steel exhaust. Then finish it off with a Stainless Turbo Heatshield and COBB High Flow Filter for your stock